公开(公告)号：US5583292A

公开(公告)日：1996-12-10

申请号：US119152

申请日：1993-09-23

申请人： Bernhard Karbach ,  Siegmar Schulz ,  Peter Steinert

发明人： Bernhard Karbach ,  Siegmar Schulz ,  Peter Steinert

IPC分类号： G01N29/22 ,  G01N29/26 ,  G01N29/04

CPC分类号： G01N29/223 ,  G01N29/26 ,  G01N2291/02854 ,  G01N2291/048

摘要： An ultrasonic measuring process is disclosed for measuring the wall thickness variation in the region of the welding seam of a pipe. At least two testing heads are each acoustically coupled to the pipe by a water jet. The acoustic entry zones of the testing heads are moved together in relation to the pipe, parallel to the axis of the pipe. At least one of the testing heads is moved back and forth across the axis of the tube, crossing over the welding seam. The acoustic entry zone can be moved by modulation of a phased array. The second testing head either emits acoustic radiation into the pipe always outside the welding seam or also crosses the welding seam, but at different times than the first testing head. The signals of both testing heads are processed in a measurement value processing circuit such that simultaneously occurring measurement value deviations supply no output signal.

摘要翻译： PCT No.PCT / DE91 / 00578 Sec。 371日期：1993年9月23日 102（e）1993年9月23日PCT PCT 1991年7月16日PCT公布。 出版物WO92 / 16832 日期1992年10月1日公开了一种用于测量管道焊缝区域中壁厚变化的超声波测量方法。 至少两个测试头通过水射流声学耦合到管道。 测试头的声学进入区域相对于管道平行于管道的轴线一起移动。 至少一个测试头在管的轴线上来回移动，穿过焊缝。 可以通过相控阵列的调制来移动声音进入区域。 第二个测试头或者将声辐射发射到总是在焊缝外部的管中，或者穿过焊缝，但是在不同于第一测试头的时间。 两个测试头的信号在测量值处理电路中被处理，使得同时出现的测量值偏差不提供输出信号。

公开(公告)号：US5335546A

公开(公告)日：1994-08-09

申请号：US761788

申请日：1991-09-19

申请人： Bernhard Karbach ,  Reinhard Prause ,  Heinrich Weber

发明人： Bernhard Karbach ,  Reinhard Prause ,  Heinrich Weber

IPC分类号： G01N29/04 ,  G01N29/26

CPC分类号： G01N29/26

摘要： In a process for ultrasonic testing of elongated, prism-shaped sections (22) with at least one planar outer surface (54) extending along the longitudinal axis (26) of the section, with the objective of detecting material defects or verifying geometric data, the section (22) to be tested is exposed to ultrasonic beams from several ultrasonic probes (28 to 34) installed in a probe carrier (44). The section (22) is moved along its longitudinal axis (26) in relation to the probe carrier (44). The latter is installed in the rotor (20) of a rotary testing machine which rotates around the longitudinal axis (26) of the section (22). The probes (28 to 34) are installed in the probe carrier (44) so that each can be displaced individually, either transversely or, preferably, at right angles to the longitudinal axis (26) if the section (22) and the direction of the probes and/or so that their angular position can be adjusted individually by swivelling them around a swivel axis ( 58) running parallel to the longitudinal axis (26) of the section (22). The individual probes (28 to 34) are adjusted so that the central beams (46) emitted by each probe (28 to 34 ) impinge upon the planar outer surface (54) adjacent to one another, thus forming adjacent scanning zones in the volume of the section (22) to be tested. The probes (28 to 34) are triggered individually by an arrangement for determining the angle between the rotor (20) and the section (22); testing is only performed when the angle between the central beam (46 and the planar outer surface (54) lies within a predetermined range.

公开(公告)号：US5677490A

公开(公告)日：1997-10-14

申请号：US505339

申请日：1996-08-18

申请人： Werner Gunther ,  Bernhard Karbach ,  Helmut Heckhauser ,  Siegmar Schulz

发明人： Werner Gunther ,  Bernhard Karbach ,  Helmut Heckhauser ,  Siegmar Schulz

IPC分类号： G01N29/04 ,  G01N29/22 ,  G01N29/26 ,  G01N29/10

CPC分类号： G01N29/043 ,  G01N29/221 ,  G01N29/26 ,  G01N2291/044 ,  G01N2291/106 ,  G01N2291/2675

摘要： The ultrasonic testing device for weld seams (28) in pipes, sheets and containers, preferably for circumferential welds in pipelines, is fitted with two identical test head supports (20), each fitted with at least one test head (e.g., 23), arranged in lateral inversion to the weld seam, which acoustically irradiate from the basic material (30) of the pipes or sheets laterally into the weld seam (28) and are coupled to the surface of the basic material (30) opposite the root (32) of the weld seam (28). Each test head support (20) has a plurality of immersion test heads (22-24) arranged one behind the other or side-by-side transversely to the weld seam (28) in such a way that their acoustic irradiation entry regions into the basic material (30) are as close together as possible and of which a) one immersion test head (22) is directed so that it generated a creeping wave in the basic material (30) on the side of the root (36) of the weld seam (28) which spreads out at the surface and of which b) at least two other immersion test heads (23, 24) irradiate at a flatter angle than the first-mentioned head (22) for longitudinal fault testing, and one of these immersion test heads (23) for longitudinal faults irradiates the weld seam (28) in the region of the root (32).

摘要翻译： PCT No.PCT / DE94 / 00151 Sec。 371日期1996年2月16日 102（e）日期1996年2月16日PCT提交1994年2月14日PCT公布。 公开号WO94 / 19686 日期1994年9月1日管道，片材和容器中焊缝（28）的超声波检测装置，优选用于管道中的圆周焊缝，配有两个相同的测试头支撑件（20），每个测试头支架均装有至少一个测试头 例如23），其横向反转设置在焊接缝上，该焊缝从管道或片材的基本材料（30）侧向地声学照射到焊缝（28）中并且耦合到基材（30）的表面， 与焊缝（28）的根部（32）相对。 每个测试头支撑件（20）具有多个浸入式测试头（22-24），这些浸入式测试头（22-24）以横向于焊缝（28）的方式并排设置，使得它们的声辐射入口区域进入 基本材料（30）尽可能靠近在一起，并且其中a）一个浸入式测试头（22）被引导为使得其在所述基础材料（30）的根部（36）侧产生蠕变波 焊缝（28），其在表面上展开，其中b）至少两个其它浸没试验头（23,24）以比先前提及的头部（22）更平坦的角度照射用于纵向故障测试，并且 这些用于纵向断层的浸没试验头（23）照射在根部（32）的区域中的焊缝（28）。

公开(公告)号：US5473943A

公开(公告)日：1995-12-12

申请号：US977422

申请日：1993-02-17

申请人： Manfried Schoenen ,  Harri Haacke ,  Hans-Jurgen Bathmann ,  Bernhard Karbach ,  Gerd Kauth ,  Reinhard Prause ,  Ottokar Patzke

发明人： Manfried Schoenen ,  Harri Haacke ,  Hans-Jurgen Bathmann ,  Bernhard Karbach ,  Gerd Kauth ,  Reinhard Prause ,  Ottokar Patzke

IPC分类号： G01N29/04 ,  G01N29/24 ,  G01N29/28 ,  G01N29/00

CPC分类号： G01N29/24 ,  G01N29/28 ,  G01N2291/044

摘要： The invention is directed to a u/s test device for nondestructive testing of a workpiece moving relative thereto by the pulse echo method, having a fluid coupling between the ultrasonic oscillator and the surface of the work material. At least two test heads are provided whose sound beam axes intersect at a point in the region of the workpiece and a travel path in the form of a chamber is provided for guiding the fluid medium. To reduce susceptibility to interference and to achieve high test performance, a separately guided travel path extending along a determined length of the chamber and forming a duct (12-20) is associated with each test head (1-9), the axes of the travel path being aligned with the respective sound beam axis.

摘要翻译： PCT No.PCT / DE91 / 00658 Sec。 371日期：1993年2月17日 102（e）日期1993年2月17日PCT 1991年8月16日PCT PCT。 出版物WO92 / 03725 本发明涉及一种用于通过脉冲回波方法相对于其移动的工件进行非破坏性测试的u / s测试装置，其具有在超声波振荡器和工件材料表面之间的流体耦合。 提供至少两个测试头，其声束轴在工件的区域中的一点处相交，并且提供呈腔形式的行进路径用于引导流体介质。 为了降低对干扰的敏感性并且实现高测试性能，沿着确定的腔室长度延伸并形成管道（12-20）的单独引导的行进路径与每个测试头（1-9）相关联， 行进路径与相应的声束轴对齐。

公开(公告)号：US5228343A

公开(公告)日：1993-07-20

申请号：US747786

申请日：1991-08-19

申请人： Manfried Schoenen ,  Harri Haacke ,  Hans-Jurgen Bathmann ,  Bernhard Karbach ,  Gerd Kauth ,  Reinhard Prause ,  Ottokar Patzke

发明人： Manfried Schoenen ,  Harri Haacke ,  Hans-Jurgen Bathmann ,  Bernhard Karbach ,  Gerd Kauth ,  Reinhard Prause ,  Ottokar Patzke

IPC分类号： G01N29/04 ,  G01N29/24 ,  G01N29/26 ,  G01N29/28

CPC分类号： G01N29/24 ,  G01N29/28 ,  G01N2291/02854 ,  G01N2291/044

摘要： An ultrasound testing device for the non-destructive testing of a workpiece wherein at least three testing heads are disposed on a testing head carrier, and the testing heads emit sound waves which converge at one or more intersections in an area of the workpiece so as to detect defects and determine the wall thickness. Operationally, the number of intersections is one less than the number of testing heads, and the separation between the sound waves is chosen so as to avoid the disturbances associated with utilization of oppositely situated testing heads. In addition, the device uses a flow medium to couple the testing heads to the surface of the workpiece.

摘要翻译： 一种用于对工件进行非破坏性测试的超声波测试装置，其中至少三个测试头设置在测试头托架上，并且测试头发射在工件的一个区域中的一个或多个交点处会聚的声波，以便 检测缺陷并确定壁厚。 交叉点的数量比测试头的数量少一个，并且选择声波之间的间隔，以避免与使用相对位置的测试头相关的干扰。 此外，该装置使用流动介质将测试头连接到工件的表面。

公开(公告)号：US5437187A

公开(公告)日：1995-08-01

申请号：US96486

申请日：1993-07-22

申请人： Bernhard Karbach ,  Ottokar Patzke ,  Reinhard Prause

发明人： Bernhard Karbach ,  Ottokar Patzke ,  Reinhard Prause

IPC分类号： G01N29/22 ,  G01N29/27 ,  G01N29/00 ,  G01N29/26

CPC分类号： G01N29/223 ,  G01N29/27

摘要： Along with an ultrasound test apparatus for elongated test specimens (20) having cross sections that are constant throughout their length, in particular pipes and rods, which pass longitudinally along a test line (24) and thereby pass through a test machine (28) which is arranged on the test line (24), a second test machine (34) is provided. Both test machines (28, 34) are arranged on a pivot mount (30) at some distance from each other, parallel to each other and rotated 180.degree. with respect to each other, rotatable by at least 180.degree. around an axis of rotation (38), the axis of rotation running at a right angle to the test line (24) and at some distance from it, so that in an initial rotation position of the pivot mount (30) the one test machine (28) is positioned on the test line (24) and the other test machine (34) can be changed over, and in the second rotation position the other test machine (34) is positioned on the test line ( 24) and the first test machine (28) can be changed over.

摘要翻译： 连同用于细长测试样品（20）的超声波测试装置，其具有在其整个长度上恒定的横截面，特别是沿测试线（24）纵向通过并因此通过测试机器（28）的管和杆，其中 布置在测试线（24）上，设置有第二测试机（34）。 两个测试机（28,34）彼此相隔一定距离地布置在枢转安装座（30）上，并且相对于彼此旋转180°，围绕旋转轴线可旋转至少180° 38），所述旋转轴线与所述测试线（24）成直角地延伸并且距离其一定距离，使得在所述枢转安装件（30）的初始旋转位置中，所述一个测试机器（28）位于 可以将测试线（24）和另一个测试机（34）切换，并且在第二旋转位置，另一测试机（34）位于测试线（24）上，并且第一测试机（28）可 改过来

公开(公告)号：US5485751A

公开(公告)日：1996-01-23

申请号：US81615

申请日：1993-06-23

申请人： Bernhard Karbach ,  Ottokar Patzke

发明人： Bernhard Karbach ,  Ottokar Patzke

IPC分类号： G01N29/22 ,  G01N29/26 ,  G01N29/04

CPC分类号： G01N29/26 ,  G01N29/221

摘要： The method for ultrasonic testing of work pieces to detect longitudinal, transverse and oblique errors therein uses a test head support having at least one test head. The test head support is moved in a translatory direction along a surface of the work piece. Ultrasonic impulses are generated in a rapid sequence by the test head, progress along a sound beam, and are directed to impact the surface of the work piece in test areas. All test areas of the at least one test head lie in a linear test path. In the case of uninterrupted, translatory movement, all test areas meet in one and the same test area. The sound beams progress in a given constant angle in relation to one set perpendicular line on each test area. The sound beams rotate, in a conical envelope, around the respective perpendicular line. A complete rotation of 360.degree. takes place in time t.sub.r which is shorter than time t.sub.t which is required by the translatory movement in order to cross a distance with the dimensions of a test area, per revolution generates and sounds at least ten ultrasound impulses into the surface of the work piece.

摘要翻译： 用于检测工件的纵向，横向和斜向误差的超声波测试方法使用具有至少一个测试头的测试头支架。 测试头支撑沿着工件的表面沿平移方向移动。 通过测试头以快速顺序产生超声波脉冲，沿着声束进行，并且被引导以在测试区域中冲击工件的表面。 至少一个测试头的所有测试区域位于线性测试路径中。 在不间断的平移运动的情况下，所有测试区域都在同一个测试区域中相遇。 声束相对于每个测试区域上的一组垂直线以给定的恒定角度前进。 声束在圆锥形包络中围绕相应的垂直线旋转。 360度的完全旋转发生在时间tr中，该时间tr短于平移运动所需的时间tt，以便与每个旋转测试区域的尺寸交叉一段距离，并产生至少10个超声波脉冲 工件表面。